Examveda The shape of hangers used in temporary lining are A. SB. LC. TD. ZAnswer: Option A This Question Belongs to Mining Engineering >> Coal Mining
The required water for 1 ton of sand in hydraulic sand stowing is . . . . . . . . A. 800 lB. 600 lC. 1100 lD. 1200 l View Answer
The purpose of pilot hole in stable pit drivage A. BlastingB. SupportingC. MuckingD. Ventilation View Answer
Scaffold not required in . . . . . . . . tubbing A. Over hung tubbyB. Under hungC. BrickD. Concrete View Answer
Join The Discussion